US PATENT SUBCLASS 264 / 501
.~ Producing toroidal work (e.g., tire, etc.)

Current as of: June, 1999
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264 /   HD   PLASTIC AND NONMETALLIC ARTICLE SHAPING OR TREATING: PROCESSES

500  DF  DIRECT APPLICATION OF FLUID PRESSURE DIFFERENTIAL TO PERMANENTLY SHAPE, DISTORT, OR SUSTAIN WORK {14}
501.~ Producing toroidal work (e.g., tire, etc.) {1}
502  DF  .~.~> At least a portion of the external surface being unconfined during application of fluid pressure

DEFINITION

Classification: 264/501

Producing, toroidal work (e.g., tire, etc.):

(under subclass 500) Processes in which the article produced has a toroidal shape.

(1) Note. For a definition of "toroidal" see this class, subclass 315 and accompanying notes.

(2) Note. Toroidal as used in this subclass includes tires, inner tubes, and the like.

SEE OR SEARCH THIS CLASS, SUBCLASS:

315, where the pressure or heat is applied by means of a toroidal inflated bag.

326, for reshaping toroidal shaped work in a closed mold cavity.